Trailer
Images
 | Boris Karloff as Dr. Victor Sartorius |
 | Joan Wyndham as Eve Rowe |
 | Arthur Margetson as Roger Clifford |
 | Mona Goya as Yvonne Clifford |
 | Anthony Ireland as Capt. Arthur Halliday |
 | Morton Selten as Sir Charles Clifford |
 | Nina Boucicault as Mary Clifford |
 | Gibb McLaughlin as Jacques |
 | J.H. Roberts as Chalmers |
 | Victor Rietti as Doctor Bousquet |
 | Wilfrid Caithness as Morrocan Official |
| Directing | |
| Henry Edwards | Director |
Writing | |
| Cyril Campion | Screenplay |
Production | |
| Julius Hagen | Producer |
Writing | |
| Heinrich Fraenkel | Adaptation |
Editing | |
| Michael C. Chorlton | Editor |
Art | |
| James A. Carter | Art Direction |
Production | |
| Edward L. Alperson | Executive Producer |
Writing | |
| H. Fowler Mear | Screenplay |
Sound | |
| W.L. Trytel | Original Music Composer |
Camera | |
| Sydney Blythe | Director of Photography |
| William Luff | Director of Photography |
Writing | |
| Alice Campbell | Novel |
